The code looks OK, make sure that the actual file name is in caps also (FLASH.swf) and that the path is right -- what is the exact problem you are having?
~Sovereign
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="1270" height="740">
<param name="movie" value="FLASH.swf" />
<param name="quality" value="high" />
<embed src="FLASH.swf"
quality="high"
type="application/x-shockwave-flash"
width="1270"
height="740"
pluginspage="http://www.macromedia.com/go/getflashplayer" />
</object>

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